Email Address Invalid + not getting some emails

[MarkDL]

Recently I have started getting "Email Address Invalid" messages from some websites where my Tiscali email address is my contact point.  These websites (including Google) are now asking me to provide another email address as they won't accept my Tiscali address!  

Also, I have not been receiving emails from my golf club.  This was working fine for years.  I have looked to see if I had inadvertently blocked them, but I have not.  They have checked and they are getting an email rejection message for my Tiscali email address.  

[Ady-TalkTalk]

Hi MarkDL, I've checked and the mail filtering from Cloudmark shows no blocking of those sending adresses that you'd added to private notes in your profile.

Ady

[MarkDL]

Ady,  not sure exactly what "no blocks" means in that context.  Does it mean no messages from those addresses has been filtered out or blocked by TT spam software or does it mean that no emails were sent to me from those addresses?   Can you tell if emails from those were actually received in my mailbox?    Having checked with other members, I know that at least on email was sent out yesterday from the club with an important update that I should have received.  Where do we go from here as an unreliable email service is no good to anyone and ultimately a dealbreaker for me as I rely on it a lot.

[Ady-TalkTalk]

Hi MarkDL, its taken me a good while but I've run the 7 day scan on all 3 of those email addresses. None of them show blocks in the last 7 days.

Ady

[MarkDL]

Ady, I've listed the email addresses as requested.  I remain concerned that I am missing out on emails from other sources that are being rejected or disappearing.  

[Ady-TalkTalk]

Please add your affected email address and the sender addresses that you're not getting mails from in the private notes section of your community profile so that I can take a look at this for you.

Ady

[MarkDL]

Ady, yes I am.  One of the websites has now accepted my tiscali email address as my contact point after I switched to another email address and then switched back to the tiscali one.

I am not still not receiving emails from my golf club, and checked again today and they say they are getting a failure to deliver message which has worked successfully for years!!!!

Can't find anywhere in my account that shows I have accidentally blocked them (or any other sender) and its not going into my spam folder so whats happening?  This is causing me significant issues as I have no idea what other emails are not being delivered.   ( and it seems to be causing lots of other users issues too) 

This needs to be sorted out fast or I'll have to go to another ISP.  It is simply unacceptable for emails to be "lost" as some may be critically important.

You will notice that the contact email for this account is a gmail address!  Thats to ensure I actually get YOUR messages!!!

[Ady-TalkTalk]

Hi MarkDL, are you still having problems with your mail? 

Ady